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DC Generators

DC Generators
A triplex wave winding will have parallel paths.

2
6
None of the listed here
4

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DC Generators
The size of a dc generator can be reduced by using ______

High resistance winding material
Lap winding
Iron commutator
Magnetic material of high permeability

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DC Generators
______ dc machine are most common.

2 pole
6 pole
4 pole
8 pole

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DC Generators
A sinusoidal voltage of 5 Hz is applied to the field of a shunt generator. The armature voltage wave

will be zero
will be of 5 xiVHz
will be of v Hz 5
will be of 5 Hz

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DC Generators
The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be

Greater than 150 V
150 V
Less than 150 V
None of these

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DC Generators
In dc generator, the constant losses is equal to

Stray losses
Mechanical losses
Stray losses plus shunt cu loss
None of the listed here

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